HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Updates GRPN, SERV Investors, Encourages Investors with Losses to Contact Firm, Reminds of Critical Upcoming Deadlines SAN FRANCISCO, May 11, 2020 (GLOBE NEWSWIRE) -- Hagens Berman updates investors in the following publicly-traded companies and urges investors who have suffered significant losses to contact the...

HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Encourages Groupon (GRPN) Investors Who Have Suffered Losses to Contact its Attorney:  Securities Fraud Class Action Filed SAN FRANCISCO, April 30, 2020 (GLOBE NEWSWIRE) -- Hagens Berman urges investors in Groupon, Inc. (NASDAQ: GRPN) who have suffered significant losses to submit their losses now.  A securities class...